研究了用酸性乙腈硫酸铜体系从辉铜矿中提取铜.Leaching of copper from chalcocite with acidic acetonitrilecopper sulphate system was studied.除自然铜和孔雀石之外, 还有黄铜矿 、 斑铜矿 、 辉铜矿 、 铜蓝和黝铜矿等.In addition to the natural copper and malachite, there are chalc...
插图上是一簇杏橙色的玫瑰，一共5朵。The illustration shows a cluster of five roses coloured apricot orange.以前他的头发是浅橙色的。He used to have orangey coloured hair.从照光的叶绿体分离出来的套膜有很多橙色的玉米质.Envelope isolated from illuminated chloroplasts had much ...